Ultrastructural changes and the distribution of arabinogalactan proteins during somatic embryogenesis of banana (Musa spp. AAA cv. 'Yueyoukang 1').

abstract：:Cuttings of Populus kangdingensis and Populus cathayana originating from altitudes of 3500 and 1500 m in southwestern China, respectively, were grown for one growing season in the field under ambient or ambient plus supplemental ultraviolet-B (UV-B) radiation with two levels of nutrients. In both species, enhanced UV-...

journal_title：Physiologia plantarum

authors： Ren J,Duan B,Zhang X,Korpelainen H,Li C

更新日期：2010-03-01 00:00:00

abstract：:Cuttings of Populus kangdingensis C. Wang et Tung and Populus cathayana Rehder were examined during a single growing season in a greenhouse for comparative analysis of their physiological and proteomic responses to drought stress. The said species originate from high and low altitudes, respectively, of the eastern Him...

journal_title：Physiologia plantarum

authors： Yang F,Wang Y,Miao LF

更新日期：2010-08-01 00:00:00

abstract：:Intervessel pits are structures that play a key role in the efficiency and safety functions of xylem hydraulics. However, little is known about the components of the pit membrane (PM) and their role in hydraulic functions, especially in resistance to cavitation. We tested the effect of commercial chemicals including a...

journal_title：Physiologia plantarum

authors： Dusotoit-Coucaud A,Brunel N,Tixier A,Cochard H,Herbette S

更新日期：2014-03-01 00:00:00

abstract：:Plants must constantly adjust their growth and defense responses to deal with the wide variety of stresses they encounter in their environment. Among phytohormones, brassinosteroids (BRs) are an important group of plant steroid hormones involved in numerous aspects of the plant lifecycle including growth, development ...

journal_title：Physiologia plantarum

authors： Lee JH,Lee J,Kim H,Chae WB,Kim SJ,Lim YP,Oh MH

更新日期：2018-08-01 00:00:00

abstract：:The synthesis of anthocyanin, the xanthophyll cycle, the antioxidant system and the production of active oxygen species (AOS) were compared between red and non-red apple cultivars, in response to either long-term sunlight exposure (high light intensity) during fruit development, or to exposure of bagged fruits to lowe...

journal_title：Physiologia plantarum

authors： Chen C,Li H,Zhang D,Li P,Ma F

更新日期：2013-11-01 00:00:00

abstract：:Hypocotyl elongation relies on directional cell expansion, a process under light and circadian clock control. Under short photoperiods (SD), hypocotyl elongation in Arabidopsis thaliana follows a rhythmic pattern, a process in which circadian morning-to-midnight waves of the transcriptional repressors PSEUDO-RESPONSE ...

journal_title：Physiologia plantarum

authors： Martín G,Veciana N,Boix M,Rovira A,Henriques R,Monte E

更新日期：2020-07-01 00:00:00

abstract：:Phosphorylated derivatives of phosphatidylinositol, in association with phosphatidylinositol 3-kinase (PI3 kinase, EC 2.7.1.137) and phosphatidylinositol 4-kinase (PI4 kinase, EC 2.7.1.67), play a key role in regulation of fundamental cell processes. We present evidence for a relationship between alpha-amylase (EC 3.2...

journal_title：Physiologia plantarum

authors： Villasuso AL,Racagni GE,Machado EE

更新日期：2008-06-01 00:00:00

abstract：:The study investigated the effect of the thylakoid membrane lipids monogalactosyldiacylglycerol (MGDG), digalactosyldiacylglycerol (DGDG), sulphoquinovosyldiacylglycerol (SQDG) and phosphatidylglycerol (PG) on the structure of two algal light-harvesting complexes (LHCs). In contrast to higher plants whose thylakoid me...

journal_title：Physiologia plantarum

authors： Schaller-Laudel S,Latowski D,Jemioła-Rzemińska M,Strzałka K,Daum S,Bacia K,Wilhelm C,Goss R

更新日期：2017-07-01 00:00:00

abstract：:In land plants, photosystem I (PSI) photoinhibition limits carbon fixation and causes growth defects. In addition, recovery from PSI photoinhibition takes much longer than PSII photoinhibition when the PSI core-complex is degraded by oxidative damage. Accordingly, PSI photoinhibition should be avoided in land plants, ...

journal_title：Physiologia plantarum

authors： Takagi D,Ishizaki K,Hanawa H,Mabuchi T,Shimakawa G,Yamamoto H,Miyake C

更新日期：2017-09-01 00:00:00

abstract：:Microspore embryogenesis is the most powerful androgenic pathway to produce haploid and doubled haploid plants. To deviate a microspore toward embryogenesis, a number of factors, different for each species, must concur at the same time and place. Once induced, the microspore undergoes numerous changes at different lev...

journal_title：Physiologia plantarum

authors： Seguí-Simarro JM,Nuez F

更新日期：2008-09-01 00:00:00

abstract：:In natural, variable environments, plants rapidly adjust photosynthesis for optimal balance between light absorption and utilization. There is increasing evidence suggesting that ion fluxes across the chloroplast thylakoid membrane play an important role in this regulation by affecting the proton motive force and cons...

journal_title：Physiologia plantarum

authors： Spetea C,Herdean A,Allorent G,Carraretto L,Finazzi G,Szabo I

更新日期：2017-09-01 00:00:00

abstract：:We evaluated the effect of global warming on Araucaria angustifolia (Bert.) O. Kuntze, a critically endangered native tree of Southern Brazil, by studying the effects of short-term high temperature treatment on cell viability, respiration and DNA repair of embryogenic cells. Compared with control cells grown at 25°C, ...

journal_title：Physiologia plantarum

authors： Furlanetto ALDM,Cadena SMSC,Martinez GR,Ferrando B,Stevnsner T,Møller IM

更新日期：2019-06-01 00:00:00

abstract：:In the context of an increased risk of extreme drought events across Europe during the next decades, the capacity of trees to recover and survive drought periods awaits further attention. In summer 2005, 4-year-old beech (Fagus sylvatica L.) saplings were watered regularly or were kept for 4 weeks without irrigation i...

journal_title：Physiologia plantarum

authors： Gallé A,Feller U

更新日期：2007-11-01 00:00:00

abstract：:Raphanus sativus L. cv. Rimbo was grown for 10 days after emergence in hydroponic culture containing 0.12 (control), 5, 10 and 15 micro M copper. The seeds were germinated in the presence of the copper solution. The Cu contents increased with the treatment in both shoots and roots, maintaining in the roots a value eig...

journal_title：Physiologia plantarum

authors： Sgherri C,Cosi E,Navari-Izzo F

更新日期：2003-05-01 00:00:00

abstract：:Thiamin, an important member of the vitamin B family, is believed to play a significant role in mitigating environmental stresses including drought stress. In turnip, drought stress causes a reduced growth, biomass yield, pigment content, total phenolics and ascorbic acid (AsA), particularly at 50% field capacity (F.C...

journal_title：Physiologia plantarum

authors： Jabeen M,Akram NA,Ashraf M,Alyemeni MN,Ahmad P

更新日期：2020-09-19 00:00:00

abstract：:Rubisco activase (RCA) is an important enzyme that can catalyze the carboxylation and oxygenation activities of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco), which is involved in the photosynthetic carbon reduction cycle. Here, we studied the effects of changes in RCA activity on photosynthesis, growth an...

journal_title：Physiologia plantarum

authors： Bi H,Liu P,Jiang Z,Ai X

更新日期：2017-10-01 00:00:00

abstract：:The vulnerability of the xylem to cavitation is an important trait in plant drought resistance and has been quantified by several methods. We present a modified method for the simultaneous measurement of cavitations, recorded as ultrasound acoustic emissions (UAEs), and the water potential, measured with a thermocoupl...

journal_title：Physiologia plantarum

authors： Wolkerstorfer SV,Rosner S,Hietz P

更新日期：2012-10-01 00:00:00

abstract：:The effects of high O3 (200 nl l-1 during the light period) and high CO2 (650 &mgr;l l-1 CO2, 24 h a day) alone and in combination were studied on 45-day-old sugar maple (Acer saccharum Marsh.) seedlings for 61 days in growth chambers. After 2 months of treatment under the environmental conditions of the experiment, s...

journal_title：Physiologia plantarum

authors： Gaucher C,Costanzo N,Afif D,Mauffette Y,Chevrier N,Dizengremel P

更新日期：2003-03-01 00:00:00

abstract：:How plants adapt to freezing temperatures and acclimate to survive the formation of ice within their tissues has been a subject of study for botanists and plant scientists since the latter part of the 19th century. In recent years, there has been an explosion of information on this topic and molecular biology has prov...

journal_title：Physiologia plantarum

authors： Gusta LV,Wisniewski M

更新日期：2013-01-01 00:00:00

abstract：:The RNA binding protein, flowering control locus A, (FCA) regulates flowering in rice and Arabidopsis. FCA interacts with FY to auto-regulate its own transcripts as well as to control flowering by downregulating flowering locus C (FLC). We report the cloning and characterization of the gamma (γ) isoform of FCA from ba...

journal_title：Physiologia plantarum

authors： Kumar S,Jiang S,Jami SK,Hill RD

更新日期：2011-09-01 00:00:00

abstract：:The structure and compaction of chromatin exerts a major regulatory influence on eukaryotic transcription. Changes in both histone composition and post-translational modifications of individual histone proteins can lead to remodelling of higher order chromatin structure. Chromatin remodelling regulates transcriptional...

journal_title：Physiologia plantarum

authors： Fisher AJ,Franklin KA

更新日期：2011-08-01 00:00:00

abstract：:The quinolinate phosphoribosyl transferase (QPT) is a key enzyme that converts quinolinic acid into nicotinic acid mononucleotide. The QPT gene plays an essential role in the pyridine nucleotide cycle as well as in the biosynthetic pathway of the alkaloid nicotine. However, a clear role for QPT is yet to be characteri...

journal_title：Physiologia plantarum

authors： Khan S,Pandey SS,Jyotshna,Shanker K,Khan F,Rahman LU

更新日期：2017-07-01 00:00:00

abstract：:If a single salt solution of CuSO(4) is used, Cu penetrates immediately iuto the plasma of Chlorella cells, reducing the rates of photosynthesis at both high and low illumination. If CuSO(4) is added to ordinary Österlind culture-medium (pH 8) it takes some hours before any influence of deleterious concentrations of C...

journal_title：Physiologia plantarum

authors： Nielsen ES,Kamp-Nielsen L,Wium-Andersen S

更新日期：1969-01-01 00:00:00

abstract：:Abies fabri (Mast.) Craib. (A. fabri) is an endemic and dominant species in typical subalpine dark coniferous forests distributed in mountainous regions of Western Sichuan, China. We investigated the ecophysiological responses of A. fabri seedlings to short-term experimental drought, nitrogen supply and their interact...

journal_title：Physiologia plantarum

authors： Guo J,Yang Y,Wang G,Yang L,Sun X

更新日期：2010-08-01 00:00:00

abstract：:A novel membrane lipoxygenase (LOX; EC 1.13.11.12) from eggplant (Solanum melongena L. cv. Belleza negra) fruit chloroplasts has been purified 20-fold to a specific activity of 207 enzymatic units per mg of protein with a yield of 72%. The purification was carried out by sonicating the chloroplastic membranes in the p...

journal_title：Physiologia plantarum

authors： Pérez-Gilabert M,López-Nicolás JM,García Carmona F

更新日期：2001-03-01 00:00:00

abstract：:alpha-Mannosidase (EC 3.2.1.24) from rice dry seeds was purified to homogeneity. Optimum pH and Km for pNP-alpha-Man hydrolysis were pH 4.3-4.5 and 1.04 mM, respectively. The enzyme digested mannobioses such as Manalpha-1,2Man, Manalpha-1,6Man, Manalpha-1,3Man but Manalpha-1,4Man. Zn2+ ion was required for the activit...

journal_title：Physiologia plantarum

authors： Kishimoto T,Hori H,Takano D,Nakano Y,Watanabe M,Mitsui T

更新日期：2001-05-01 00:00:00

abstract：:With the objective to clarify the physiological significance of polyamines (PAs) in the photosynthetic apparatus, the present study investigated the effects of salt stress with and without foliar application of putrescine (Put) on the structure and function of the photosynthetic apparatus in cucumber. Salt stress at 7...

journal_title：Physiologia plantarum

authors： Shu S,Guo SR,Sun J,Yuan LY

更新日期：2012-11-01 00:00:00

abstract：:The Kok effect refers to the progressive light-induced inhibition of dark respiration at low light intensities, which saturates around the light compensation point. This appears as a sudden break around the light compensation point in the plot of photosynthesis versus light intensity. The magnitude of the break can be...

journal_title：Physiologia plantarum

authors： Padmavathi L,Raghavendra AS

更新日期：2001-11-01 00:00:00

abstract：:This work investigated the importance of the ability of leaf mesophyll cells to control K(+) flux across the plasma membrane as a trait conferring tissue tolerance mechanism in plants grown under saline conditions. Four wheat (Triticum aestivum and Triticum turgidum) and four barley (Hordeum vulgare) genotypes contras...

journal_title：Physiologia plantarum

authors： Wu H,Shabala L,Barry K,Zhou M,Shabala S

更新日期：2013-12-01 00:00:00

abstract：:A sustainable society will have to largely refrain from the use of fossil carbon deposits. In such a regime, renewable electricity can be harvested as a primary source of energy. However, as for the synthesis of carbon-based materials from bulk chemicals, an alternative is required. A sustainable approach towards this...

journal_title：Physiologia plantarum

authors： Pérez AA,Chen Q,Hernández HP,Branco Dos Santos F,Hellingwerf KJ

更新日期：2019-05-01 00:00:00